...When G.G. Hubbard learned of his future son-in-law's invention, he called it "only a toy." His daughter was engaged to a young man named Alexander Graham Bell.
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| Number | Title | Issue Date |
| 6326502 | Method for producing epoxides through olefin oxidation with air or oxygen The present invention provides a process for the epoxidation of alkenes of the formula (1) ##STR1## where R1, R2, R3 and R4 are, independently of one another, hydrogen, C1 -C20 -alkyl, C | 12/04/2001 |
| 6316591 | Ordered poly(arylene-vinylene) terpolymers, method for the production and the use thereof as electroluminescent materials Ordered poly(arylene-vinylene)terpolymers, process for their preparation and their use as electroluminescence materials Poly(arylene-vinylene) terpolymers comprising repeating units of the formula (I), ##STR1## where the symbols have the following meaning... | 11/13/2001 |
| 6291383 | Process for preparing aromatic olefins in the presence of palladium catalysts comprising phosphite ligands The invention relates to process for preparing monofunctional, bifunctional or/and polyfunctional olefins of the formulae (Ia), (Ib), (Ic) or/and (Id), ##STR1## where R1 to R3 are, independently of one another, hydrogen, (C... | 09/18/2001 |
| 6248913 | Catalysts for olefin selective epoxidation with atmospheric oxygen A catalyst for the selective oxidation of olefins in the presence of air or oxygen, comprising a compound of the formula (1) Mox Oy (L)z (1) where x is 1, 2 or 3, y is an integer from 0 to 2x+1, z is an integer from 1 to 2x, wherei... | 06/19/2001 |
| 6222073 | Catalytic synthesis of N-alkylated anilines from olefins and anilines Process for the preparation of an N-arylethylaniline of the formula (I) Ar--N(R1)2-n (CHR2 CHR3 Ar')n (I) by reacting an aromatic olefin of the formula (II) Ar'CR3 =CHR2 (II) with an aniline ... | 04/24/2001 |
| 6042968 | Process for producing polybenzimidazole fabrics for use in fuel A method for producing polybenzimidazole (PBI) fabrics for use as fuel cell or battery electrolytes by soaking a sulfonated or non-sulfonated PBI fabric in an acid solution, whereby the fibers of the fabric become swollen with the acid solution; and dryin... | 03/28/2000 |